4 channel relay module 4-channel relay control board with optocoupler. Relay Output 4 way relay module for arduino

Price: US $1.94

Item Specifics

Brand Name:
HWA YEH
Theory:
Voltage Relay
Protect Feature:
Sealed
Contact Load:
Low Power
Model Number:
4 channel relay module
Usage:
General Purpose
is_customized:
Yes
Voltage:
5V
Power Source:
DC

Product Description

The new 5V Relay Module

Can be used as microcontroller development board module can be used as home appliance control

5 V-12V to TTL control signal

The control signal DC or AC, 220V AC load can be controlled.

There is a normally open and one normally closed contact

A power indicator light

A control indicator, pull off, disconnect does not shine

Transistor drive to increase the relay coil control pins high impedance.

The control pin has a pull-down circuit to prevent malfunction relay vacant.

1Pcs 4 Channel Relay Module

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great transaction, fast shipping A++++

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